Here are some links to to useful information which may help you with planning a safe trip.

Our own current warnings and information about policy coverage.
The Department of Foreign Affairs and Trade web site lists current travel warnings issued by the department as well as more in depth information on passports, visas, embassies and consulates.
The Department of Foreign Affairs and Trade also offer specific recommendations to travellers about travel insurance.
Customs information for travellers
The US State Department, Bureau of Consular Affairs web site lists current travel warnings issues 
by the state department.
A range of information material aimed at helping British travellers avoid trouble, especially threats to their personal safety arising from political unrest, lawlessness, violence, natural disasters, epidemics, anti-British demonstrations, and aircraft safety.  Offers access to country-specific Travel Advice notices, and a selection of information designed to ensure that travellers are well prepared before departure.
The Center for Disease Control (CDC) provides extensive health related information for the world traveller including vaccination and other health recommendations by geographic area as well as the latest in disease outbreaks worldwide.
The World Health Organization is the United Nations specialized agency for health.